Air conditioner



FIG. 1 is a perspective view of an air conditioner showing our newdesign;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a right side view thereof, the left side view thereof being amirror image.

The ornamental design for an air conditioner, as shown and described.